eli5 : How do people photoshop things out of pictures without knowing what the background is?

Question

Do people have to take TWO pictures at the same angle in order to photoshop things out? How do they know what the background looks like?

In: Technology

Answer 1

Photoshop has the option of “copying” a specific part on another place, generally used for blending. It is simply assumption based on what part of background they already have.